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100 lines
3.9 KiB
C++
100 lines
3.9 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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/**
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An X-Y position stored as a pair of RelativeCoordinate values.
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@see RelativeCoordinate, RelativeRectangle
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@tags{GUI}
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*/
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class JUCE_API RelativePoint
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{
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public:
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/** Creates a point at the origin. */
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RelativePoint();
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/** Creates an absolute point, relative to the origin. */
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RelativePoint (Point<float> absolutePoint);
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/** Creates an absolute point, relative to the origin. */
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RelativePoint (float absoluteX, float absoluteY);
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/** Creates an absolute point from two coordinates. */
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RelativePoint (const RelativeCoordinate& x, const RelativeCoordinate& y);
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/** Creates a point from a stringified representation.
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The string must contain a pair of coordinates, separated by space or a comma. The syntax for the coordinate
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strings is explained in the RelativeCoordinate class.
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@see toString
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*/
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RelativePoint (const String& stringVersion);
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bool operator== (const RelativePoint&) const noexcept;
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bool operator!= (const RelativePoint&) const noexcept;
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/** Calculates the absolute position of this point.
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You'll need to provide a suitable Expression::Scope for looking up any coordinates that may
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be needed to calculate the result.
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*/
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Point<float> resolve (const Expression::Scope* evaluationContext) const;
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/** Changes the values of this point's coordinates to make it resolve to the specified position.
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Calling this will leave any anchor points unchanged, but will set any absolute
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or relative positions to whatever values are necessary to make the resultant position
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match the position that is provided.
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*/
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void moveToAbsolute (Point<float> newPos, const Expression::Scope* evaluationContext);
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/** Returns a string which represents this point.
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This returns a comma-separated pair of coordinates. For details of the string syntax used by the
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coordinates, see the RelativeCoordinate constructor notes.
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The string that is returned can be passed to the RelativePoint constructor to recreate the point.
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*/
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String toString() const;
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/** Returns true if this point depends on any other coordinates for its position. */
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bool isDynamic() const;
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// The actual X and Y coords...
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RelativeCoordinate x, y;
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};
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} // namespace juce
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